Overview

overview

10

Static

static

LUSA TEX O...0 .exe

windows7_x64

7

LUSA TEX O...0 .exe

windows10-2004_x64

10

Analysis

  • max time kernel
    104s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:19

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General

  • Target

    LUSA TEX ORDER 07282020 .exe

  • Size

    1.3MB

  • MD5

    cbd2e0a042f3734b1b72543b3a55bd99

  • SHA1

    e6b6ffe43795d6a4c6b3c60e1dbfe6b2d29333c6

  • SHA256

    044c48fe42178958d8f55e5404e056ff0f1071d865deda9cc42518ab2c87fda7

  • SHA512

    17a7f971ec908a19d0a0c8b9611caf7b0b3148a84723b3cf4d25d0a65b1a45341998a51286ad1dee31c9183010171311d4dd8c53ec603bfba61e37caedd8d10c

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\0F48153F20\Log.txt

Family

masslogger

Ransom Note
<|| v2.4.0.0 ||> User Name: Admin IP: 154.61.71.51 Location: United States Windows OS: Microsoft Windows 10 Pro 64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 11:45:58 AM MassLogger Started: 5/21/2022 11:45:54 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\LUSA TEX ORDER 07282020 .exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> Disabled <|| Window Searcher ||> Disabled <|| Bot Killer ||> Disabled <|| Search And Upload ||> Disabled <|| Telegram Desktop ||> Not Installed <|| Pidgin ||> Not Installed <|| FileZilla ||> Not Installed <|| Discord Tokken ||> Not Installed <|| NordVPN ||> Not Installed <|| Outlook ||> Not Installed <|| FoxMail ||> Not Installed <|| Thunderbird ||> Not Installed <|| FireFox ||> Not Found <|| QQ Browser ||> Not Installed <|| Chromium Recovery ||> Not Installed or Not Found <|| Keylogger And Clipboard ||> NA

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    wintom@wls-com.me
  • Password:
    MORELOVE123

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    stealerspywaremasslogger
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
    collection
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LUSA TEX ORDER 07282020 .exe
    "C:\Users\Admin\AppData\Local\Temp\LUSA TEX ORDER 07282020 .exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4120
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD0BD.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4808
    • C:\Users\Admin\AppData\Local\Temp\LUSA TEX ORDER 07282020 .exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:64

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\LUSA TEX ORDER 07282020 .exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmpD0BD.tmp
    Filesize

    1KB

    MD5

    ab9f8a9574d9209cd8666decb37e33cc

    SHA1

    b768b98d37b96bcf5eeeb4bae10589a196b66db2

    SHA256

    2c052172f943620c36053efd2ab1d6ef9fbb671c55669b9f49430f0f7acd7704

    SHA512

    5059538580cce17a2c7516e3117297310455e38ff32d51c6e17ef188448ce3567f9c968ad478df725ed2ce8630ceee2340246264a6e60877895591a67d45da70

    Download Submit
  • memory/64-137-0x0000000000000000-mapping.dmp
    Download
  • memory/64-138-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

    Download
  • memory/64-140-0x0000000005A50000-0x0000000005AB6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/64-141-0x0000000008380000-0x00000000083D0000-memory.dmp
    Filesize

    320KB

    Download
  • memory/4120-130-0x0000000000760000-0x00000000008B6000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/4120-131-0x0000000005810000-0x0000000005DB4000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/4120-132-0x0000000005260000-0x00000000052F2000-memory.dmp
    Filesize

    584KB

    Download
  • memory/4120-133-0x0000000005410000-0x000000000541A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/4120-134-0x0000000008C70000-0x0000000008D0C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/4808-135-0x0000000000000000-mapping.dmp
    Download